If the axial plane of a fold is essentially horizontal. Then we call it recumbent fold.
如果褶皱构造的轴面基本上是水平的，那么我们称它为平卧褶皱。
2
Starting from analyzing the theory of plane stress field, the paper introduced mechanical mode for simple fold and composite structural mode and analyzed the theory of structural fracture.
本文从平面应力场理论分析入手，介绍了简单褶皱的力学模式、复合构造模式，并进行了构造裂缝的理论分析。
3
Conclusion The coronal plane is dominant for showing left gastropancreatic fold and the communication relationship between superior and inferior recesses of the lesser sac.